Wide-frequency square-wave transformer for measurement and protection and manufacturing method thereof

A manufacturing method and technology for transformers, which are used in broadband transformers, inductance/transformer/magnet manufacturing, transformers, etc., can solve problems such as inability to meet, and achieve the effect of low waveform restoration distortion.
CN101740197AActive Publication Date: 2010-06-16WUHAN PINGGAO NETWORK ELECTRIC
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
WUHAN PINGGAO NETWORK ELECTRIC
Publication Date
2010-06-16

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Abstract

The invention relates to a wide-frequency square-wave transformer for measurement and protection and a manufacturing method thereof. The square-wave transformer is used for measuring and protecting electrical parts and equipment and belongs to the technical field of electrical measurement and protection, comprising an iron core and a winding, wherein the iron core is of an R type iron core processed through vacuum high-temperature annealing, cooling and non-oxidation treatment; the size of the iron core is 2700-3000 square millimeters in area; the length of the magnetic path is 600-630 millimeters; and the winding comprises a first winding and a second winding. The transformer has the advantages of large variation range of working frequency value, square wave of voltage waveform, high requirement on precision, little distortion of waveform restoration, high grade of voltage withstand, high mechanical strength and good protective performance.
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Description

technical field

[0001] The invention relates to a wide-band square-wave transformer for measurement and protection and a manufacturing method thereof. The wide-band square-wave transformer is used for the measurement and protection of electrical devices and equipment, and belongs to the technical field of electrical measurement and protection. Background technique

[0002] The existing voltage transformers with a voltage level of 12KV and above have an AC 50Hz working condition and a sine wave voltage waveform, which cannot meet the special working conditions where the working frequency variation is 50-2000Hz and the voltage waveform is a square wave. Contents of the invention

[0003] An object of the present invention is to provide a device that can meet the operating frequency change value of 50-2000Hz, the voltage waveform is square wave, and requires high precision, low distortion of waveform restoration, high withstand voltage level, high mechanical strength, and good...

Claims

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